.htaccess文件隐藏文件后缀

效果：http://www/castle.php?do=home  => http://www/castle?do=home

代码：

Options +FollowSymlinks
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.+)$ /$1.php [L,QSA]

注意：apache需要开启rewrite